CN206177549U - Variable flow field burning test device of constant volume - Google Patents
Variable flow field burning test device of constant volume Download PDFInfo
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- CN206177549U CN206177549U CN201621114879.3U CN201621114879U CN206177549U CN 206177549 U CN206177549 U CN 206177549U CN 201621114879 U CN201621114879 U CN 201621114879U CN 206177549 U CN206177549 U CN 206177549U
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- main body
- constant volume
- valve
- jet nozzle
- air
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- 230000007797 corrosion Effects 0.000 claims description 10
- 238000005260 corrosion Methods 0.000 claims description 10
- 230000000740 bleeding effect Effects 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 description 21
- 239000003921 oil Substances 0.000 description 8
- 230000002000 scavenging effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
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- Pressure-Spray And Ultrasonic-Wave- Spray Burners (AREA)
Abstract
The utility model discloses a variable flow field burning test device of constant volume, variable flow field burning test device of constant volume wherein, including main body, gas distribution system, oil feeding system, ignition system, observing and controlling system and fluidic system, gas distribution system, fluidic system, oil feeding system, ignition system all link to each other with the observing and controlling system, main body links to each other with the observing and controlling system, gas distribution system, fluidic system, oil feeding system, ignition system all link to each other with main body. The utility model discloses can change direction and the position of jet nozzle, fluidic pressure. And the air current that production institute that can reduce cost needs.
Description
Technical field：
The utility model is related to a kind of constant volume variable air flow fields corrosion chamber, and it is applied to the different flow fields of research to burning
Impact.
Background technology：
The development of engine is all the time based on propulsion power, the lifting of economy and the decline of exhaust emission
Research direction is wanted, the development key problem of engine is the improvement of burning.One of direction of research burning is change burning
Indoor Study on Flow Field improves the air current flow mode of efficiency of combustion.
Engine combustion Indoor Flow Field is complicated, and flow field formative factor is complicated, and flow field control is difficult.Traditional flow field generation side
Formula is to change piston and top of combustion chamber shape to remove the different air-flow of generations, the required flow field time cost of generation and price into
This height.
It is, thus, sought for the mode that a kind of low cost changes flow field goes to test impact of more flow fields to burning, enter
And improve Efficiency of the different flow fields of research to combustion effects.
Utility model content：
In order to improve Efficiency of the research flow field to combustion effects, the utility model provides a kind of constant volume variable air flow fields combustion
Experimental rig is burnt, different flow fields can efficiently generated on the basis of realization burning, can be produced at short notice different
Flow field.
The utility model is adopted the following technical scheme that：A kind of constant volume variable air flow fields corrosion chamber, including main body, match somebody with somebody
Gas system, oil supply system, ignition system, TT＆C system and fluidic system, the air distribution system, fluidic system, oil supply system,
Ignition system is connected with TT＆C system, and the main body is connected with TT＆C system, the air distribution system, fluidic system, fuel feeding
System, ignition system are connected with main body.
Further, the air distribution system includes the spray of air pump, magnetic valve, intake valve, check valve, air bleeding valve and jet
Mouth, the delivery outlet point two-way of air pump is respectively connected to intake valve and magnetic valve, and intake valve connects main body, and magnetic valve connection is unidirectional
Valve, check valve connection jet nozzle, jet nozzle connects main body, and main body connects air bleeding valve.
Further, the main body is provided with combustion chamber, and jet nozzle is arranged on main bullet body sidewall, the spray of jet nozzle
Mouth is indoor in burning.
The utility model is also adopted the following technical scheme that：A kind of method of work of constant volume variable air flow fields corrosion chamber,
Comprise the steps：
(1). TT＆C system collection installed in it is main bullet body sidewall sensor signal, sensor include temperature sensor with
Pressure sensor, sensor connects main body combustion chamber, obtains the working condition of the combustion chamber of main body, judges main body
Working condition；
(2). air distribution system controls air pump and provides bleed pressure by TT＆C system, and by TT＆C system inlet open is controlled
Close realize main body combustion chamber is carried out initial press with it is burned after scavenging；
(3). TT＆C system control air pump produces air pressure potential source, and TT＆C system controls burning of the INO to main body
Room carries out being pressurized to initial pressure value, closes intake valve, and fluidic system controls magnetic valve and uses higher than initial by TT＆C system
The pressure value of pressure forms pressure differential and produces flow field with internal pressure of combustion chamber, and by oil supply system oil spout main body combustion chamber is entered
Interior, ignition system lights the indoor igniting of main body burning, and so as to burn in the case where flow field is generated, TT＆C system control air bleeding valve is opened
Tail gas after burning is discharged, TT＆C system control INO carries out scavenging to combustion chamber.
The utility model has the advantages that：
(1) direction and position, the pressure of jet of jet nozzle can, be changed.
(2) air-flow required for generation research that, can be inexpensive.
Description of the drawings：
Fig. 1 is the structure chart of constant volume variable air flow fields corrosion chamber.
Fig. 2 is fluidic system structure chart.
Fig. 3 is jet nozzle scheme of installation.
Specific embodiment：
Refer to shown in Fig. 1, the utility model constant volume variable air flow fields corrosion chamber includes main body 104, distribution system
System 101, oil supply system 105, ignition system 106, TT＆C system 103 and fluidic system 102, air distribution system 101, fluidic system
102nd, oil supply system 105, ignition system 106 are connected with TT＆C system 103, and main body 104 is connected with TT＆C system 103, matches somebody with somebody
Gas system 101, fluidic system 102, oil supply system 105, ignition system 106 are connected with main body 104.
Refer to shown in Fig. 2, air distribution system 101 includes air pump 201, magnetic valve 202, intake valve 203, check valve 204, row
Air valve 205 and jet nozzle 206, the delivery outlet point two-way of air pump 201 is respectively connected to intake valve 203 and magnetic valve 202, air inlet
Valve 203 connects main body 104, the connection check valve 204 of magnetic valve 202, the connection jet nozzle 206 of check valve 204, jet nozzle
The main body 104 of 206 connections, the connection air bleeding valve 205 of main body 104.
Refer to shown in Fig. 3, the combuster of main body 104, jet nozzle 206 is arranged on the side wall of main body 104, spout
It is indoor in burning.
The method of work of the utility model constant volume variable air flow fields corrosion chamber, comprises the steps：
(1). the collection of TT＆C system 103 is arranged on the signal of the sensor of the side wall of main body 104, and sensor includes that temperature is passed
Sensor and pressure sensor, sensor connects the main combustion chamber of body 104, obtains the work shape of the combustion chamber of main body 104
State, judges the working condition of main body 104；
(2). air distribution system 101 controls air pump 201 and provides bleed pressure by TT＆C system 103, by TT＆C system 103
Control intake valve 203 switch realize the combustion chamber of main body 104 is carried out initial press with it is burned after scavenging；
(3). the control air pump 201 of TT＆C system 103 produces air pressure potential source, and the control intake valve 203 of TT＆C system 103 opens right
The combustion chamber of main body 104 carries out being pressurized to initial pressure value, closes intake valve 203, and fluidic system 102 passes through TT＆C system
103 control magnetic valves 202 form pressure differential and produce flow field using the pressure value higher than initial pressure and internal pressure of combustion chamber, pass through
The oil spout of oil supply system 105 is burnt interior into main body 104, and ignition system 106 is lighted main body 104 and burnt indoor igniting, from
And burn in the case where flow field is generated, the control air bleeding valve 205 of TT＆C system 103 is opened and discharges tail gas after burning, and TT＆C system 103 is controlled
Intake valve 203 is opened, and to combustion chamber scavenging is carried out.
Fig. 3 is the scheme of installation of jet nozzle, changes different jet nozzles, by the length for changing jet nozzle 206
The position and injection method of degree, width, Angulation changes nozzle in combustion chamber, reaches the purpose for changing flow field direction.Before the test,
According to the flow field that test needs, the jet nozzle 206 of suitable fluidic system 102 is installed.The device quickly can be produced effectively not
Same flow field is used for combustion test.
The above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, some improvement can also be made on the premise of without departing from the utility model principle, these improvement also should be regarded as
Protection domain of the present utility model.
Claims (3)
1. a kind of constant volume variable air flow fields corrosion chamber, it is characterised in that：Including main body (104), air distribution system (101),
Oil supply system (105), ignition system (106), TT＆C system (103) and fluidic system (102), the air distribution system (101),
Fluidic system (102), oil supply system (105), ignition system (106) are connected with TT＆C system (103), the main body
(104) it is connected with TT＆C system (103), the air distribution system (101), fluidic system (102), oil supply system (105), igniting system
System (106) is connected with main body (104).
2. constant volume variable air flow fields corrosion chamber as claimed in claim 1, it is characterised in that：The air distribution system (101)
Including air pump (201), magnetic valve (202), intake valve (203), check valve (204), air bleeding valve (205) and jet nozzle
(206), the delivery outlet of air pump (201) point two-way is respectively connected to intake valve (203) and magnetic valve (202), intake valve (203) connection
Main body (104), magnetic valve (202) connection check valve (204), check valve (204) connection jet nozzle (206), jet nozzle
(206) main body (104), main body (104) connection air bleeding valve (205) are connected.
3. constant volume variable air flow fields corrosion chamber as claimed in claim 2, it is characterised in that：The main body (104) sets
Combuster, jet nozzle (206) is on the wall of main body (104) side, and the spout of jet nozzle (206) is indoor in burning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621114879.3U CN206177549U (en) | 2016-10-11 | 2016-10-11 | Variable flow field burning test device of constant volume |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621114879.3U CN206177549U (en) | 2016-10-11 | 2016-10-11 | Variable flow field burning test device of constant volume |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206177549U true CN206177549U (en) | 2017-05-17 |
Family
ID=58677441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621114879.3U Active CN206177549U (en) | 2016-10-11 | 2016-10-11 | Variable flow field burning test device of constant volume |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206177549U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404337A (en) * | 2016-10-11 | 2017-02-15 | 南京航空航天大学 | Combustion test device of flow field with variable constant volume and work method thereof |
-
2016
- 2016-10-11 CN CN201621114879.3U patent/CN206177549U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404337A (en) * | 2016-10-11 | 2017-02-15 | 南京航空航天大学 | Combustion test device of flow field with variable constant volume and work method thereof |
| CN106404337B (en) * | 2016-10-11 | 2019-04-23 | 南京航空航天大学 | Constant volume variable air flow fields corrosion chamber and its working method |
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